The DMP2043UCA3 from Diodes Incorporated is a MOSFET with Continous Drain Current -4.2 A, Drain Source Resistance 36 to 62 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -20 V, Gate Source Threshold Voltage -1.2 to -0.4 V. Tags: Surface Mount. More details for DMP2043UCA3 can be seen below.